Use env var connections instead of actual db connections in kube systests (#54385)

Author: amoghrajesh

kubernetes-tests/tests/kubernetes_tests/test_kubernetes_pod_operator.py

@@ -1464,6 +1464,15 @@ def __getattr__(self, name):
 
 
 class TestKubernetesPodOperator(BaseK8STest):
+    @pytest.fixture(autouse=True)
+    def setup_connections(self, create_connection_without_db):
+        """Create kubernetes_default connection"""
+        connection = Connection(
+            conn_id="kubernetes_default",
+            conn_type="kubernetes",
+        )
+        create_connection_without_db(connection)
+
     @pytest.mark.parametrize(
         "active_deadline_seconds,should_fail",
         [(3, True), (60, False)],